Home / 111,619.76-153,698.28-96,485.36

Finding the Fourth Proportional to 111,619.76, 153,698.28 and 96,485.36

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Solution

The fourth proportional to 111,619.76, 153,698.28 and 96,485.36 is: 132,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,619.76 : 153,698.28 = 96,485.36 : x
  2. Step 2: Convert to fraction form
    111,619.76/153,698.28 = 96,485.36/x
  3. Step 3: Cross multiply
    111,619.76x = 153,698.28 × 96,485.36
  4. Step 4: Simplify right side
    111,619.76x = 14,829,633,877.18
  5. Step 5: Solve for x
    x = 14,829,633,877.18/111,619.76
  6. Step 6: Final answer
    x = 132,858.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.